Wed, 08 May 2002 10:14:07 +0200 paulson better xsymbol syntax
Wed, 08 May 2002 10:12:57 +0200 paulson new lemmas
Wed, 08 May 2002 09:14:56 +0200 paulson some ex files converted to Isar
Wed, 08 May 2002 09:08:29 +0200 paulson converted to Isar
Wed, 08 May 2002 09:08:16 +0200 paulson Tidied and converted to Isar by lcp
Tue, 07 May 2002 19:54:29 +0200 wenzelm converted;
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